Establishes the moisture-penetration resistance relations of fi ne-grained soils. Includes these interchangeable needles (area in cm2): (6.45), (4.84), (3.22), (2.15), (1.29), (0.65), (0.32) (0.22) and (0.16).
The unit consists of a special calibrated spring dynamometer with a pressure-indicating scale on the stem of the handle. The device is capable of measuring the penetration force with an accuracy of 62 lbf [10 N] and shall have a capacity of at least 130 lbf [600 N].
Accessories
9 pieces of 6.45, 4.84, 3.22, 2.15, 1.29, 0.65, 0.32, 0.22, 0.16 cm2 needles.
